I own HP 15-db0038nc laptop.
It has LED on mute key, which indicates if sound is muted or not. It works on Windows, but it doesn't work in Linux (Xubuntu 18.04). I don't see it in alsamixer. This is ...

I recently removed my old harddrive from my linux machine, as the linux was corrupted due to accidental deletion of /bin folder. I have inserted a new harddisk and installed a new linux system (which ...

I want to check my NFS performance. Here I am trying to launch the application and I want to check the IO latency.
Here I am using ioping to check the IO latency. As ioping has a different I/O type, ...

If I run the following, then the ip address doesn't actually get added:
ip link add veth0 type veth peer name veth1; ip address add 10.0.1.2/24 dev veth1
However if I sleep in between the commands, ...

I'm using an old TS-7500 (https://www.embeddedarm.com/products/TS-7500) rugged platform for a home automation project (it was a freebie from my college) and I want to get the platform to boot into the ...

I have a Linux machine where I mounted an additional harddisk that has an NTFS filesystem. I use SAMBA to make that volume available in my network.
I was uploading files to a directory on that disk ...

I'm running ProFTP on Centos 7. I have successfully installed the server and created a user that can login to the server. The problem is that the user always gets access to the root directory of the ...

My Lenovo Z50 overheated under Linux. I tried Ubuntu 16.04, 18.04 and Linux Mint 18.1. The standard installed Windows 8 doesn't have this problem. It heats up to 100°C and shuts down. I followed the ...

I am using squid proxy server. This is working fine in the browser.
But when I try to wget in terminal. I am getting below error.
paulsteven@smackcoders:/etc$ wget https://www.google.com/
--2019-01-...

We have a webserver (Debian Stretch) that hosts multiple domains. Unfortunately, our developers tend to use debugging (adding code that writes something in a log file) and forget about it, even after ...

I have one domain example.com which is associated with four public IP address. I want to hide my four public IPs during dig/host etc. Should I use CNAME to hide my original public IP's?
What will be ...

So, I was trying to install extension citext on PostrgeSQL 11.1, but of course I've encountered an error:
ERROR: could not open extension control file "/usr/pgsql-11/share/extension/citext.control": ...

The /bin folder of my linux system was accidentally deleted as a superuser. Now the system is corrupted, and restarting it will collapse the system. There are some stackoverflow posts which list what ...

I downloaded the kali-linux-2018.4-amd64.iso and ran the graphical install on virtualbox on my mac.
After the install I was able to login and I saw all the tools available, but when I poweroff from ...

I'm running a shell script we'll call parent that has a loop. Each iteration in the loop executes something else we'll call child, and when that completes (synchronous/blocking), my script goes to the ...

I use iTerm2 in Mac, and frequently access Linux machines through ssh. I find that the color schemes (e.g. the colors in the output of ls, grep, emacs, vim) are always slightly different between Mac ...

I installed mwoffliner 1.6.0 as per these instructions in a Ubuntu 18.10 (cosmic, desktop edition). Some programs were missing and I apparently managed to install all of them.
I succeeded running the ...

I have a wireless usb adapter and I would like my docker container to use just this for the internet (not the computers own wireless adapter).
My knowledge of networking is basic so I have tried to ...

long story short I am restoring a failed server. I have a backup of most of the file system. I need to restore the SQL databases but I don't have a copy of the mysqldump. so I've restored the files to ...

I work in a multi-user setting and am relatively new to Python. The machines in question run Ubuntu 16.04, and we are using Python 2.7. I personally have installed several additional modules, such as ...

Let's say I have TAR file with some partition images (dd/patclone/partimage/fsarchiver/whatever) and text file with MD5 sums (of image file and original partitions). I don't want to extract the image ...

I recently purchased a new computer so that I could upgrade my old Linux machine. My old machine was running Ubuntu 16.04 Server LTS. The operating system was installed on a 256 GB SSD, while a single ...